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428
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1 /* TTY frame functions.
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2 Copyright (C) 1995 Free Software Foundation, Inc.
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3 Copyright (C) 1995, 1996 Ben Wing.
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4 Copyright (C) 1997 Free Software Foundation, Inc.
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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23 /* Synched up with: Not in FSF. */
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24
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25 /* Written by Ben Wing.
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26 Multi-frame support added by Hrvoje Niksic. */
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27
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28 #include <config.h>
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29 #include "lisp.h"
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30
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31 #include "console-tty.h"
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32 #include "frame.h"
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33
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34 #include "events.h"
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35
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36
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37 /* Default properties to use when creating frames. */
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38 Lisp_Object Vdefault_tty_frame_plist;
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39
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40 static void tty_raise_frame (struct frame *);
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41
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42
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43 static void
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44 tty_init_frame_1 (struct frame *f, Lisp_Object props)
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45 {
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46 struct device *d = XDEVICE (FRAME_DEVICE (f));
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47 struct console *c = XCONSOLE (DEVICE_CONSOLE (d));
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48
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49 ++CONSOLE_TTY_DATA (c)->frame_count;
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50 f->order_count = CONSOLE_TTY_DATA (c)->frame_count;
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51 f->height = CONSOLE_TTY_DATA (c)->height;
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52 f->width = CONSOLE_TTY_DATA (c)->width;
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53 }
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54
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55 static void
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56 tty_init_frame_3 (struct frame *f)
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57 {
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58 tty_raise_frame (f);
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59 }
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60
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61 static void
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62 tty_select_frame_if_unhidden (Lisp_Object frame)
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63 {
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64 if (FRAME_REPAINT_P (XFRAME (frame)))
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65 select_frame_1 (frame);
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66 }
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67
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68 static void
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69 tty_schedule_frame_select (struct frame *f)
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70 {
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71 Lisp_Object frame;
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72
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73 XSETFRAME (frame, f);
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74 enqueue_magic_eval_event (tty_select_frame_if_unhidden, frame);
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75 }
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76
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77 static void
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78 tty_after_init_frame (struct frame *f, int first_on_device,
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79 int first_on_console)
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80 {
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81 if (first_on_console)
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82 call1 (Qinit_post_tty_win, FRAME_CONSOLE (f));
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83 }
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84
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85 /* Change from withdrawn state to mapped state. */
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86 static void
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87 tty_make_frame_visible (struct frame *f)
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88 {
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89 if (!FRAME_VISIBLE_P(f))
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90 {
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91 f->visible = -1;
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92 }
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93 }
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94
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95 /* Change from mapped state to withdrawn state. */
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96 static void
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97 tty_make_frame_invisible (struct frame *f)
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98 {
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99 f->visible = 0;
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100 }
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101
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102 static void
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103 tty_make_frame_hidden (struct frame *f)
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104 {
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105 f->visible = -1;
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106 }
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107
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108 static void
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109 tty_make_frame_unhidden (struct frame *f)
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110 {
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111 if (!FRAME_REPAINT_P(f))
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112 {
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113 SET_FRAME_CLEAR(f);
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114 f->visible = 1;
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115 }
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116 }
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117
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118 static int
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119 tty_frame_visible_p (struct frame *f)
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120 {
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121 return FRAME_VISIBLE_P (f);
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122 }
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123
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124 static void
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125 tty_raise_frame_no_select (struct frame *f)
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126 {
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127 Lisp_Object frame;
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128 LIST_LOOP_2 (frame, DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f))))
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129 {
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130 struct frame *o = XFRAME (frame);
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131 if (o != f && FRAME_REPAINT_P (o))
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132 {
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133 tty_make_frame_hidden (o);
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134 break;
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135 }
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136 }
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137 tty_make_frame_unhidden (f);
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138 }
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139
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140 static void
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141 tty_raise_frame (struct frame *f)
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142 {
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143 tty_raise_frame_no_select (f);
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144 tty_schedule_frame_select (f);
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145 }
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146
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147 static void
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148 tty_lower_frame (struct frame *f)
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149 {
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150 Lisp_Object frame_list = DEVICE_FRAME_LIST (XDEVICE (FRAME_DEVICE (f)));
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151 Lisp_Object tail, new;
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152
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153 if (!FRAME_REPAINT_P (f))
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154 return;
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155
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156 LIST_LOOP (tail, frame_list)
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157 {
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158 if (f == XFRAME (XCAR (tail)))
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159 break;
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160 }
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161
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162 /* To lower this frame, another frame has to be raised. Return if
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163 there is no other frame. */
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164 if (NILP (tail) && EQ(frame_list, tail))
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165 return;
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166
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167 tty_make_frame_hidden (f);
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168 if (CONSP (XCDR (tail)))
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169 new = XCAR (XCDR (tail));
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170 else
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171 new = XCAR (frame_list);
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172 tty_make_frame_unhidden (XFRAME (new));
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173 tty_schedule_frame_select (XFRAME (new));
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174 }
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175
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176 static void
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177 tty_delete_frame (struct frame *f)
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178 {
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179 struct device *d = XDEVICE (FRAME_DEVICE (f));
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180
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181 if (!NILP (DEVICE_SELECTED_FRAME (d)))
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182 tty_raise_frame (XFRAME (DEVICE_SELECTED_FRAME (d)));
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183 }
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184
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185 /************************************************************************/
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186 /* initialization */
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187 /************************************************************************/
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188
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189 void
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190 console_type_create_frame_tty (void)
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191 {
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192 CONSOLE_HAS_METHOD (tty, init_frame_1);
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193 CONSOLE_HAS_METHOD (tty, init_frame_3);
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194 CONSOLE_HAS_METHOD (tty, after_init_frame);
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195 CONSOLE_HAS_METHOD (tty, make_frame_visible);
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196 CONSOLE_HAS_METHOD (tty, make_frame_invisible);
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197 CONSOLE_HAS_METHOD (tty, frame_visible_p);
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198 CONSOLE_HAS_METHOD (tty, raise_frame);
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199 CONSOLE_HAS_METHOD (tty, lower_frame);
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200 CONSOLE_HAS_METHOD (tty, delete_frame);
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201 }
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202
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203 void
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204 vars_of_frame_tty (void)
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205 {
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206 DEFVAR_LISP ("default-tty-frame-plist", &Vdefault_tty_frame_plist /*
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207 Plist of default frame-creation properties for tty frames.
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208 These are in addition to and override what is specified in
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209 `default-frame-plist', but are overridden by the arguments to the
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210 particular call to `make-frame'.
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211 */ );
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212 Vdefault_tty_frame_plist = Qnil;
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213
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214 tty_console_methods->device_specific_frame_props =
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215 &Vdefault_tty_frame_plist;
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216
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217 /* Tty frames are now supported. Advertise a feature to indicate this. */
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218 Fprovide (intern ("tty-frames"));
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219 }
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